socket长连接短连接，自己封装的

局域网内聊天传输文件.rar 1、可以进行群聊。 2、点中名字前的复选框要以说消消话。 3、可以群发文件，可以发给指定的人（选中复选框），也可以发给所有人。(LAN chatting to transfer files. Rar one can communicate with a group. 2, points name before the check box to say Consumers Consumers then. 3, the mass document can be sent to the designated person (selected check box), also be given to all.)

通过一个域名，可以得到这个域名的IP地址列表。(Through a domain name, domain names can be the IP address list.)

使用qt实现网络爬虫，爬取自己感兴趣的图片。原理是采集地址，然后存数据，再去下载。(Use QT to achieve web crawler and crawl pictures that you are interested in. The principle is to collect addresses, then store data, and then download them.)

这是一个用c++编写的，socket API 的服务器端和客户端的相互响应的简单程序.用cmd打开程序exe，输入“webserver + 端口号”，webclient方面，输入“webclient + 127.0.0.1 + 端口号5600”，则可以在客户端上显示接收到的信息。(This is a c++ written in response to a simple procedure of mutual socket API server and client' s Open Program exe, enter " webserver+ port number" , webclient, the input " webclient+ 127.0.0.1+ port number 5600 with cmd " you can display the information received on the client.)

一个简单的TCP聊天程序，使用winsock api实现。(A simple TCP chat program)

基于select的多线程并发服务器，可用作基础服务器框架(Multithread concurrent server)

端口扫描器。 本扫描器实现了：TCP Connect 扫描，TCP SYN扫描，TCP Fin扫描，TCP ACK扫描及UDP端口扫描,这些扫描能够实现扫描特定IP地址范围内端口和扫描某IP地址范围内全部主机特定端口两种模式，并且SYN扫描能够区分端口开放、端口关闭和被防火墙过滤三种状态。(Port scanner. The scanner realized: TCP Connect Scan, TCP SYN Scan, TCP Fin Scan, TCP ACK scan and UDP port scan, the scan can scan a specific IP address range of ports and scanning a range of IP addresses all host two specific ports mode, and can distinguish SYN scan open ports, port closed and the three states firewall filters.)

远程视频监控代码，其中有 代理类/监控端/受控端/远程监控等项目

华为NAT教程-本文主要讲解NAT的主要概念和NAT的几种主要应用，图文并茂，是篇很不错的技术 介绍文章。(Huawei NAT Tutorial- In this paper, to explain the main concepts of the NAT and NAT several major applications, pictures, articles very good technical Introductory essay.)

说明：  基于OPNET的无线自组织网络AODV协议的仿真(Simulation of AODV protocol in wireless ad hoc network based on OPNET)